---
product_id: 504269940
title: "Master Lock 5400EC2 Box with Combination Lock, Black and Grey"
brand: "master lock"
price: "$259.08"
currency: USD
in_stock: true
reviews_count: 5
category: "Master Lock"
url: https://www.desertcart.ec/products/504269940-master-lock-5400ec2-box-with-combination-lock-black-and-grey
store_origin: EC
region: Ecuador
---

# 4-digit customizable combo lock Weather-resistant shutter door Holds up to 5 standard keys Master Lock 5400EC2 Box with Combination Lock, Black and Grey

**Brand:** master lock
**Price:** $259.08
**Availability:** ✅ In Stock

## Summary

> 🔐 Secure your keys, secure your peace of mind.

## Quick Answers

- **What is this?** Master Lock 5400EC2 Box with Combination Lock, Black and Grey by master lock
- **How much does it cost?** $259.08 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ec](https://www.desertcart.ec/products/504269940-master-lock-5400ec2-box-with-combination-lock-black-and-grey)

## Best For

- master lock enthusiasts

## Why This Product

- Trusted master lock brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Trusted Reliability:** Backed by Master Lock’s Limited Lifetime Warranty and a 4.7-star rating from over 300 users—join the elite who never compromise on security.
- • **Spacious & Organized:** Large capacity box fits up to five standard 2-inch house keys, perfect for busy professionals managing multiple properties.
- • **Versatile Installation:** Fits most ball, biscuit, and tulip door knobs with a removable 'over the knob' design for easy, portable use.
- • **Built to Brave the Elements:** Durable metal body with vinyl-coated shackle and protective shutter door keeps your keys safe rain or shine.
- • **Personalized Security at Your Fingertips:** Set and reset your own 4-digit combination for ultimate control and peace of mind.

## Overview

The Master Lock 5400EC2 is a durable, weather-resistant combination lock box designed for indoor and outdoor use. It features a customizable 4-digit code, holds up to five standard keys, and fits most door knob styles. With a protective shutter door and vinyl-coated shackle, it offers reliable security and portability, making it a top choice for real estate professionals and homeowners alike.

## Description

The Master Lock 5400EC2 Set Your Own Combination Portable Lock Boxes features a 3-1/4in (83mm) wide metal body for durability. The portable design offers removable “over the knob” installation. Set your own four-digit combination for keyless convenience and increased security. The shutter door protects combination dials from weather, dirt and grime; and molded body and vinyl coated shackle prevent scratching. Includes two set your own combination lock boxes. The Limited Lifetime Warranty provides peace of mind from a brand you know and can trust.

Review: One of the best lockboxes you can buy - As a realtor for over 20 years, I've been using Masterlock lockboxes for many years, they are spacious and fit several keys and best of all they don't freeze in the winter when left outside
Review: Best for best - The best quality. Love them. I have more than 40 of this. AT MY REAL ESTATE.( POREB ) WE USE THIS ALWAYS. HIGHLY RECOMMEND PPREB

## Features

- Large capacity key lock boxes enables secure storage of up to five standard (2 inch) house keys; Shackle fits most ball, biscuit, and tulip door knob styles
- Set your own four-digit combination lock box; Reset the combination for thousands of personalized combination code options
- For indoor and outdoor use; Key safe is constructed with a metal body for durability, vinyl coated shackle to prevent scratching, and shutter door to protect combination dials from weather
- Exterior dimensions: 4 inch (10.2 centimeter) H x 3-1/4 inch (8.3 centimeter) W x 1-3/4 inch (4.4 centimeter) D; 13/32 inch (10 millimeter) diameter shackle with 1-13/32 inch (36 millimeter) L, 1-7/8 inch (48 millimeter) W Internal Dimensions: 3-1/2in (89mm) H x 2-3/4in (70mm) W x 1in (25mm) D
- Includes two set your own combination lock boxes

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0BHZRFXX3 |
| Best Sellers Rank | 823,168 in DIY & Tools ( See Top 100 in DIY & Tools ) 943 in Key Cabinets (DIY & Tools) |
| Brand | Master Lock |
| Colour | Black and Grey |
| Control Method | Touch |
| Controller Type | Hand Control |
| Country of Origin | China |
| Customer Reviews | 4.7 out of 5 stars 304 Reviews |
| Finish | Painted |
| Global Trade Identification Number | 00071649370472 |
| Included Components | Set you own combination Lock Box - 2 pk |
| Item Dimensions | 38 x 83 x 159 millimetres |
| Item Type Name | Lock Box with Combination Lock |
| Item Weight | 454 g |
| Item dimensions L x W x H | 38 x 83 x 159 millimetres |
| Lock Type | Combination Lock |
| Lock type | Combination Lock |
| Manufacturer | Master Lock |
| Material | Metal Vinyl |
| Model Name | Lock Box with Combination Lock |
| Model Number | 5400EC2 |
| Number of Pieces | 2 |
| Part Number | 5400EC2 |
| Recommended Uses For Product | Home |
| Recommended uses for product | Home |
| Shape | Rectangular |
| Special Features | Portable |
| Special feature | Portable |
| Style | 5 Key Capacity, 2 Pack |
| UPC | 791709983038 071649370472 |
| Unit Count | 2.0 count |

## Product Details

- **Brand:** Master Lock
- **Item dimensions L x W x H:** 38 x 83 x 159 millimetres
- **Lock type:** Combination Lock
- **Material:** Metal Vinyl
- **Special feature:** Portable

## Images

![Master Lock 5400EC2 Box with Combination Lock, Black and Grey - Image 1](https://m.media-amazon.com/images/I/71qeK4m19TL.jpg)
![Master Lock 5400EC2 Box with Combination Lock, Black and Grey - Image 2](https://m.media-amazon.com/images/I/71Bnk9BAeSL.jpg)
![Master Lock 5400EC2 Box with Combination Lock, Black and Grey - Image 3](https://m.media-amazon.com/images/I/81wNDnkSxOL.jpg)
![Master Lock 5400EC2 Box with Combination Lock, Black and Grey - Image 4](https://m.media-amazon.com/images/I/61jgLeUqsCL.jpg)
![Master Lock 5400EC2 Box with Combination Lock, Black and Grey - Image 5](https://m.media-amazon.com/images/I/81RW5eDC2BL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ One of the best lockboxes you can buy
*by A***R on 29 December 2025*

As a realtor for over 20 years, I've been using Masterlock lockboxes for many years, they are spacious and fit several keys and best of all they don't freeze in the winter when left outside

### ⭐⭐⭐⭐⭐ Best for best
*by M***I on 8 February 2026*

The best quality. Love them. I have more than 40 of this. AT MY REAL ESTATE.( POREB ) WE USE THIS ALWAYS. HIGHLY RECOMMEND PPREB

### ⭐⭐⭐⭐⭐ Key safe
*by S***Y on 11 February 2025*

Works great. Saved a locksmith call out fee already

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**Shop now:** [https://www.desertcart.ec/products/504269940-master-lock-5400ec2-box-with-combination-lock-black-and-grey](https://www.desertcart.ec/products/504269940-master-lock-5400ec2-box-with-combination-lock-black-and-grey)

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*Product available on Desertcart Ecuador*
*Store origin: EC*
*Last updated: 2026-06-21*